             package com.java.diagnostics.visualizer.metadata;
             
             public class TupleMetaData
             {
               private TableType tableType;
               
               private TableField[] tableFields;
               
               public static enum TableType
               {
                 NONE,  ARITHMETIC,  FREQUENCY,  COUNT;
               }
               
               public static enum TableField {
                 MAX,  MIN,  MEAN,  TOTAL;
               }
               
               public TupleMetaData(TableType tableType, TableField[] tableFields)
               {
                 this.tableType = tableType;
                 this.tableFields = tableFields;
               }
               
               public TableType getTableType() {
                 return this.tableType;
               }
               
               public TableField[] getTableFields() {
                 return this.tableFields;
               }
             }

